Ring



FIG. 1 is a front view of a ring illustrating the new design;

FIG. 2 is a right elevational view of the ring illustrated in FIG. 1 (the left elevational view is a mirror image of FIG. 2); and,

FIG. 3 is a top view of the ring illustrated in FIG. 1. 

The ornamental design for a ring, as shown and described. 